单项选择题
A.SteelEye for optimal performance.
B.Integrated Tape Drives for backup.
C.Software Distribution Premium Edition.
D.IBM TotalStorage DS3000/DS4000 for a shared disk environment.
单项选择题 WhyshouldanIBMResellerofferIBMServicesoneverysolution？（）
单项选择题 Your end user customer has not requested a ServicePac to cover the base unit and options they have purchased. What is a compelling reason to offer service？ （）
单项选择题 A small company has an IBM System x3105 file server. They are looking for an alternative for tape-based backup and disaster recovery for their 80 GB of data. The backup window is 1 to 2 hours using an incremental， 3-cartridge rotation with off-site storage. What solution fits best for this purpose？ （）